#!/usr/bin/env bash

set -e

if [ ! -f make.bash ]; then
  echo "make.bash must be run from $GOPATH/src/github.com/Psiphon-Labs/psiphon-tunnel-core/ConsoleClient"
  exit 1
fi

EXE_BASENAME="psiphon-tunnel-core"
BUILDINFOFILE="${EXE_BASENAME}_buildinfo.txt"
BUILDDATE=$(date --iso-8601=seconds)
BUILDREPO=$(git config --get remote.origin.url)
BUILDREV=$(git rev-parse --short HEAD)

LDFLAGS="\
-X github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon.buildDate $BUILDDATE \
-X github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon.buildRepo $BUILDREPO \
-X github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon.buildRev $BUILDREV \
"
echo -e "${BUILDDATE}\n${BUILDREPO}\n${BUILDREV}\n" > $BUILDINFOFILE

echo "Variables for ldflags:"
echo " Build date: ${BUILDDATE}"
echo " Build repo: ${BUILDREPO}"
echo " Build revision: ${BUILDREV}"
echo ""

echo "Getting project dependencies (via go get)"
GOOS=linux go get -d -v ./...
GOOS=windows go get -d -v ./...
GOOS=darwin go get -d -v ./...

if [ ! -d bin ]; then
  mkdir bin
fi

# Windows requires CGO due to sqlite. OpenSSL will likely eventually require CGO everywhere
echo "CGO Enabled"
export CGO_ENABLED=1

echo "Building windows-i686..."
CC=/usr/bin/i686-w64-mingw32-gcc gox -verbose -ldflags "$LDFLAGS" -osarch windows/386 -output bin/windows/${EXE_BASENAME}-i686
# We are finding that UPXing the full Windows Psiphon client produces better results if psiphon-tunnel-core.exe is not already UPX'd.
echo "..No UPX for this build"

echo "Building windows-x86_64..."
CC=/usr/bin/x86_64-w64-mingw32-gcc gox -verbose -ldflags "$LDFLAGS" -osarch windows/amd64 -output bin/windows/${EXE_BASENAME}-x86_64
# We are finding that UPXing the full Windows Psiphon client produces better results if psiphon-tunnel-core.exe is not already UPX'd.
echo "..No UPX for this build"

echo "CGO Enabled unset (Preferred unless needed)"
unset CGO_ENABLED

echo "Building linux-i686..."
CFLAGS=-m32 gox -verbose -ldflags "$LDFLAGS" -osarch linux/386 -output bin/linux/${EXE_BASENAME}-i686
echo "..UPX packaging output"
goupx --best bin/linux/${EXE_BASENAME}-i686

echo "Building linux-x86_64..."
gox -verbose -ldflags "$LDFLAGS" -osarch linux/amd64 -output bin/linux/${EXE_BASENAME}-x86_64
echo "..UPX packaging output"
goupx --best bin/linux/${EXE_BASENAME}-x86_64

echo "Building darwin-x86_64..."
gox -verbose -ldflags "$LDFLAGS" -osarch darwin/amd64 -output bin/darwin/${EXE_BASENAME}-x86_64
# Darwin binaries don't seem to be UPXable when built this way
echo "..No UPX for this build"

echo "Done"